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| <?php | |
| namespace Rasb14\T100; | |
| /** | |
| * Collects and generates histogram data. | |
| */ | |
| class Histogram | |
| { | |
| /** | |
| * @var array $sequence The numbers stored in sequence. | |
| * @var int $min The lowest possible number. | |
| * @var int $max The highest possible number. | |
| */ | |
| private $sequence = []; | |
| private $min; | |
| private $max; | |
| /** | |
| * Get the sequence. | |
| * | |
| * @return array as the sequence. | |
| */ | |
| public function getSequence() | |
| { | |
| return $this->sequence; | |
| } | |
| /** | |
| * Gets the sequence sorted from the minimum value to the maximum value. | |
| * | |
| * @return array as the sorted sequence. | |
| */ | |
| public function getSortedSequence() | |
| { | |
| $result = []; | |
| for ($i = $this->min; $i <= $this->max; $i++) { | |
| $result += [$i => 0]; | |
| } | |
| foreach ($this->sequence as $value) { | |
| if (isset($result[$value])) { | |
| $result[$value]++; | |
| } | |
| } | |
| return $result; | |
| } | |
| /** | |
| * Gets the html representation of the histogram. | |
| * | |
| * @return string as html ul list representing the histogram. | |
| */ | |
| public function getHtml() | |
| { | |
| $sortedSequence = $this->getSortedSequence(); | |
| $result = '<ul class="histogramList">'; | |
| foreach ($sortedSequence as $key => $value) { | |
| $result .= '<li>' . $key . '. '; | |
| for ($i = 0; $i < $value; $i++) { | |
| $result .= '*'; | |
| } | |
| $result .= '</li>'; | |
| } | |
| $result .= '</ul>'; | |
| return $result; | |
| } | |
| /** | |
| * Inject the object to use as base for the histogram data. | |
| * | |
| * @param IHistogram $object The object holding the sequence. | |
| * | |
| * @return void. | |
| */ | |
| public function injectData(IHistogram $object) | |
| { | |
| $this->sequence = $object->getHistogramSequence(); | |
| $this->min = $object->getHistogramMin(); | |
| $this->max = $object->getHistogramMax(); | |
| } | |
| } |